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. Author manuscript; available in PMC: 2009 Sep 23.
Published in final edited form as: Am J Geriatr Psychiatry. 2008 Jan 11;16(2):156–167. doi: 10.1097/JGP.0b013e31815a3ea9

Appendix.

Odds of Mental Health (MH) Care in the Past 12 Months: Logistic Regression Model Covariates

Any MH Care in
past year
MH specialty
visits in past
year
Screened by
primary care for
MH/substance
abuse in past
year
Perceived need for
MH Care
Received
effective
counseling or
antidepressants
in past year
Satisfied with
MH Care
Covariates Odds ratio (95% confidence interval) [P value, T test (df)]
Gender (reference male) 1.5 (1.1, 2.0) 1.4 (1.0, 2.0) 1.3 (1.1, 1.6) 1.8 (1.5, 2.3) 1.7 (1.3, 2.3) 1.0 (0.9, 1.2)
[p=0.008, T(1)=2.64] [p=0.053, T(1)=1.94] [p=0.0004, T(1)=3.54] [p<0.001, T(1)=5.38] [p=0.002, T(1)=3.72] [p=0.836, T(1)=-0.21]
Race F(1,3)=2.96, p=0.031 K(1,3)=0.97, p=0.405 F(1;3)=4.85, p=0.002 F(1;3)=4.53, p=0.004 F(1,3)=7.42, p=0.0001 F(1,3)=0.65, p=0.583
White (reference) -- -- -- -- -- --
Black/African American 0.5 (0.3, 0.8) 0.6 (0.4, 1.1) 0.9 (0.7, 1.2) 0.5 (0.4, 0.8) 0.4 (0.3, 0.6) 1.0 (0.8, 1.3)
[p=0.005, T(1)=-2.82] [p=0.563, T(1)=-0.58] [p=0.0004, T(1)=-3.52] [p<0.001, T(1)= -4.61]
Hispanic 0.6 (0.3, 1.3) 0.9 (0.4, 2.0) 1.7 (1.2, 2.3) 1.0 (0.7, 1.5) 0.7 (0.3, 1.3) 0.8 (0.6, 1.1)
[p=0.207, T(1)=-1.26] [p=0.003, T(1)=2.96] [p=0.947, T(1)=0.07] [p=0.239, T(1)=-1.18]
Other race 0.8 (0.4, 1.5) 1.1 (0.5, 2.2) 0.5 (0.3, 0.9) 0.7 (0.4, 1.2) 0.6 (0.3, 1.1) 1.0 (0.7, 1.5)
[p=0.475, T(1)=-0.71] [p=0.025, T(1)=-2.24] [p=0.203, T(1)=-1.27] [p=0.099, T(1)=-1.65]
Marital status F(1,3)=0.54, p=0.583 F(1,3)=1.91, p=0.148 F(1,3)=2.42, p=0.090 F(1,3)=3.38, p=0.034 F(1,3)=1.71, p=0.181 F(1,3)=1.62, p=0.198
Married (reference) -- -- -- -- -- --
Single 1.2 (0.9, 1.6) 1.4 (1.0, 2.0) 0.8 (0.7, 1.0) 1.3 (0.98, 1.7) 0.9 (0.7, 1.2) 0.9 (0.7, 1.0)
[p=0.065, T(1)=1.85]
Unmarried partner 0.9 (0.6, 1.5) 1.2 (0.7, 2.0) 0.9 (0.6, 1.3) 1.5 (1.0, 2.2) 0.6 (0.4, 1.0) 0.9 (0.6, 1.2)
[p=0.026, T(1)=2.22]
Education F(1,3)=10.6, p<.0001 F(1,3)=18.4, p<.0001 F(1,3)=2.76, p=0.064 F(1,3)=7.91, p=0.0004 F(1,3)=15.27, p<.0001 F(1,3)=13.89, p<.0001
Less than high school (reference) -- -- -- -- -- --
High school graduate or some college 2.0 (1.3, 3.1) 2.5 (1.5, 4.0) 1.0 (0.8, 1.3) 1.2 (0.8, 1.8) 2.5 (1.8, 3.6) 0.6 (0.5, 0.8)
[p=0.003, T(1)=2.96] [p=0.0002, T(1)=3.68] [p=0.289, T(1)=1.06] [p<0.001, T(1)=5.02] [p<0.001, T(1)=-3.91]
College or higher 3.2 (1.9, 5.4) 4.9 (2.9, 8.4) 1.3 (0.95, 1.7) 2.0 (1.3, 3.0) 3.0 (2.0, 4.5) 0.5 (0.4, 0.7)
[p<0.001, T(1)=4.46] [p<0.001, T(1)=5.94] [p=0.003, T(1)=2.98] [p<0.001, T(1)=5.34] [p<0.001, T(1)=-5.25]
Family income (log-transformed) 1.0 (0.96, 1.1) 1.0 (0.9, 1.1) 1.0 (0.97, 1.1) 1.0 (0.9, 1.1) 1.0 (0.98, 1.1) 1.0 (0.97, 1.02)
[p=0.552, T(1)=0.59] [p=0.866, T(1)=0.17] [p=0.884, T(1)=0.15] [p=0.196, T(1)=1.29] [p=0.805, T(1)=-0.25]
Health insurance coverage F(1,3)=0.90, p=0.461 F(1,3)=0.87, p=0.482 F(1,3)=3.22, p=0.012 F(1,3)=2.98, p=0.018 F(1,3)=3.08, p=0.015 F(1,3)=3.30, p=0.0106
Medicare 0.9 (0.4, 1.8) 1.5 (0.8, 3.0) 0.8 (0.5, 1.3) 0.4 (0.2, 0.7) 1.7 (0.9, 3.2) 1.4 (1.0, 1.9)
[p=0.396, T(1)=-0.85] [p=0.002, T(1)=-3.08] [p=0.112, T(1)=1.59] [p=0.035, T(1)=2.11]
Medicaid 1.5 (0.6, 3.8) 2.1 (0.8, 5.1) 1.0 (0.5, 1.8) 0.6 (0.3, 1.1) 2.6 (1.2, 5.6) 1.5 (0.9, 2.4)
[p=0.919, T(1)=-0.10] [p=0.091, T(1)=-1.69] [p=0.015, T(1)=2.44] [p=0.127, T(1)=1.53]
Private 1.2 (0.7, 2.0) 1.3 (0.8, 2.4) 1.3 (0.9, 1.8) 0.7 (0.4, 0.96) 1.5 (0.9, 2.6) 1.5 (1.2, 1.9)
[p=0.196, T(1)=1.29] [p=0.030, T(1)=-2.17] [p=0.101, T(1)=1.64] [p=0.0005, T(1)=3.50]
Other 1.3 (0.7, 2.6) 1.8 (0.8, 4.1) 1.0 (0.6, 1.7) 1.0 (0.6, 1.7) 2.4 (1.4, 4.2) 1.7 (1.1, 2.7)
[p=0.951, T=0.06] [p=0.892, T(1)=-0.14] [p=0.002, T(1)=3.13] [p=0.0125, T(1)=2.50]
Uninsured (reference) -- -- -- -- -- --
PCS-12a 0.97 (0.95, 0.99) 0.96 (0.94, 0.98)b 0.99 (0.97, 1.01) 0.96 (0.94, 0.99) 0.95 (0.93, 0.97)c 0.99 (0.98, 1.01)
[p=0.003, T(1)=-3.00] [p=0.002, T(1)=-3.14] [p=0.311, T(1)=-1.01] [p=0.002, T(1)=-3.13] [p<0.001, T(1)=-4.93] [p=0.373, T(1)=-0.89]
MCS-12 a 0.97 (0.95, 0.99) 0.97 (0.94, 0.99) 0.98 (0.96, 0.99) 0.95 (0.93, 0.97) 0.96 (0.94, 0.98)c 1.0 (0.99, 1.02)
[p=0.005, T(1)=-2.84] [p=0.012, T(1)=-2.53] [p=0.007, T(1)=-2.69] [p<0.001, T(1)=-5.17] [p<0.001, T(1)=-4.17] [p=0.229, T(1)=1.20]
a

Physical and mental health component summary scores from the Short Form-12 (SF-12)